implement test method

Author: summersab

lib/private/SystemConfig.php

@@ -38,6 +38,7 @@ class SystemConfig {
 	protected $sensitiveValues = [
 		'instanceid' => true,
 		'datadirectory' => true,
+		'appdataroot' => true,
 		'dbname' => true,
 		'dbhost' => true,
 		'dbpassword' => true,

tests/lib/Files/AppData/AppDataTest.php

@@ -53,6 +53,11 @@ protected function setUp(): void {
 			->method('getValue')
 			->with('instanceid', null)
 			->willReturn('iid');
+
+		$this->systemConfig->expects($this->any())
+			->method('getValue')
+			->with('appdataroot', null)
+			->willReturn('/path');
 	}
 
 	private function setupAppFolder() {